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High-water-repellency and high-slidability coating member, fabrication method for same, and high-water-repellency and high-slidability product using same

A manufacturing method and water-repellent technology, which can be used in coatings, devices for coating liquids on surfaces, special surfaces, etc., to solve problems such as practical limitations, insufficient wear resistance, and difficulty in coating, and to expand applications. range, the effect of excellent wear resistance

Inactive Publication Date: 2008-09-03
HITACHI CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] For this reason, research and development of various products have been carried out in the past, but the actual situation is that it is difficult to make the surface of the substrate have both water repellency and high sliding properties, so it is rarely practical.
[0004] Among them, PTFE coating is currently widely used as a water-repellent coating, but it is difficult to apply to substrates that do not have heat resistance, for example, due to the need for drying and manufacturing, and the abrasion resistance may not be sufficient, so the practicality is limited.

Method used

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  • High-water-repellency and high-slidability coating member, fabrication method for same, and high-water-repellency and high-slidability product using same

Examples

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Embodiment

[0058] Hereinafter, the present invention will be specifically described by way of examples, but the present invention is not limited to these examples.

[0059] Table 1 Compounding amount: parts by weight

[0060]

[0061] Silica A: 50wt% isopropanol solution of silica sol adjusted by hydrolysis of methyl silicate with acetic acid

[0062] Silica B: 50 wt% ethanol solution of silica gel adjusted by hydrolysis of ethyl silicate with hydrochloric acid

[0063] Slidability: relative wear (×10 -8 mm 3 / Nm)

[0064] In Examples 1 to 4 and Comparative Examples 1 to 3, an aluminum plate was used as a base material to produce a water-repellent and highly slidable coated part.

[0065] (1) Production of components

[0066] On the aluminum surface with a thickness of 2 mm, a 0.001% by weight triethylmethoxysilane ethanol solution was sprayed, and then dried with an infrared lamp, and this operation was repeated three times.

[0067] Then, a solution having the composition show...

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Abstract

The invention provides a high-water-repellency and high-slidability coating member for endowing the base material with water repellency and abrasion resistance and the manufacture method and the product thereof. The high-water-repellency and high-slidability coating member of the invention simultaneous ebdows the base material with water repellency, thermal endurance and antifouling property. A silica coating film made of silica and silane hybrid modified fluororesin is applied to a surface of the base material.

Description

technical field [0001] The present invention relates to making plastics, rubber, metal, ceramics or their composite materials and organic substrates formed of organic materials with no heat resistance and low strength, such as paper, wood, bamboo, organic fibers, etc., have high water repellency, high A slidable coated part, a method for producing the same, and a highly water-repellent, high-slidable article using the same. Background technique [0002] Adding water repellency and abrasion resistance to the surface of organic substrates such as building materials made of materials represented by plastics, rubber, metals, ceramics, etc., can achieve high durability and long life of the product, thereby improving the quality of the product. added value. [0003] For this reason, research and development of various products have been carried out in the past, but the actual situation is that it is difficult to achieve both water repellency and high sliding properties on the sur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08J7/04C09D151/00B05D7/24B05D7/14B05D7/06C04B41/45C09D7/61
CPCB05D5/086B05D2202/25B05D2601/22C08K3/22C08K3/36C09D7/1216C09D7/61
Inventor 山本康彰濑户川晃
Owner HITACHI CABLE
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